The declassification of the final three documents among a series of reports dating from the 1970s brings to an end a 10-year campaign for transparency by ufologists.
The Ministry of Defence (MoD) papers have been trickled out over a series of releases to the National Archives, with many delays along the way.
There are still complaints that they have been made deliberately hard to access, as they are not available online, and require a visit to the National Archives in London to pour through hard copies.
The papers include UFO witness accounts, photos and sketches of mystery objects, and MoD and official reports of sightings.
However, so far there does not appear to be the smoking gun evidence of alien life so-called truth seekers were hoping for.
Don't hold your breath.To read more and view the video, click here.